>> how new technology is helping people with spinal cord injuries walk again. doctor siegel, dr. smatty and one man's remarkable story next. ? yeah, sure you can. great. where's your gift? uh... whew. [ male announcer ] break from the holiday stress. ship fedex express by december 22nd for christmas delivery. you have a plan? first we're gonna check our bags for free, thanks to our explorer card. then, the united club. my motr was so wrong about you. next, we get priory boarding on our flight i booked with miles. all because of the card. and me. okay, what's the plan? plan? mm-hmm. we're on vacation. there is no plan. really? [ male announcer ] the united mileageplus explorer card. the mileage card with speci perks on united. get it and you're in. >>> some dramatic video, we're not sure why she did it but a woman jumps into the freezing water and a police officer jumps in after her to save her from drowning. she was cling to go a raft and struggling to keep above water. that officer, there he goes, swam out, used a life preservers and kept her afloat and more help arrived to brin